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<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>绿意生鲜 - 新鲜直达</title>
    <style>
        /* 全局样式 */
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
            margin: 0;
            background-color: #f9f9f9;
            color: #333;
        }
        
        /* 导航栏 */
        .navbar {
            background-color: #4CAF50;
            padding: 15px 0;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        .nav-container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 24px;
            font-weight: bold;
            color: white;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            margin-left: 20px;
        }
        
        /* 单张横幅 */
        .banner {
            background: url('download.jpg') no-repeat center center;
            background-size: cover;
            height: 400px;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            text-align: center;
        }
        .banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.3); /* 半透明遮罩 */
        }
        .banner-content {
            position: relative;
            z-index: 1;
        }
        .banner h1 {
            font-size: 48px;
            margin-bottom: 10px;
        }
        .banner p {
            font-size: 18px;
        }
        
        /* 商品分类 */
        .categories {
            padding: 40px 0;
            background-color: white;
        }
        .section-title {
            text-align: center;
            font-size: 28px;
            margin-bottom: 30px;
            color: #4CAF50;
        }
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
        }
        .category-card {
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
            transition: transform 0.3s;
        }
        .category-card:hover {
            transform: translateY(-5px);
        }
        .category-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .category-name {
            padding: 15px;
            text-align: center;
            font-weight: bold;
        }
        
        /* 页脚 */
        .footer {
            background-color: #2E7D32;
            color: white;
            padding: 30px 0;
            text-align: center;
        }
    </style>
</head>
<body>
    <!-- 导航栏 -->
    <nav class="navbar">
        <div class="nav-container">
            <div class="logo">绿意生鲜</div>
            <div class="logo">23215220332朱运泽</div>
            <div class="nav-links">
                <a href="#">首页</a>
                <a href="#">商品分类</a>
                <a href="#">今日特惠</a>
                <a href="#">我的订单</a>
            </div>
        </div>
    </nav>
    
    <!-- 单张横幅 -->
    <section class="banner">
        <div class="banner-content">
            <h1>新鲜食材，直达餐桌</h1>
            <p>全场满99元免配送费 · 当日送达</p>
        </div>
    </section>
    
    <!-- 商品分类 -->
    <section class="categories">
        <h2 class="section-title">热门分类</h2>
        <div class="category-grid">
            <div class="category-card">
                <img src="2412.jpg_wh860.jpg" alt="新鲜水果">
                <div class="category-name">新鲜水果</div>
            </div>
            <div class="category-card">
                <img src="R-C.jpg" alt="有机蔬菜">
                <div class="category-name">有机蔬菜</div>
            </div>
            <div class="category-card">
                <img src="zzz.jpg" alt="海鲜水产">
                <div class="category-name">海鲜水产</div>
            </div>
            <div class="category-card">
                <img src="1369025_192128475000_2.jpg" alt="优质肉类">
                <div class="category-name">优质肉类</div>
            </div>
        </div>
    </section>
    
    <!-- 页脚 -->
    <footer class="footer">
        <p>&copy; 2025 绿意生鲜 版权所有 | 客服热线：400-123-4567</p>
    </footer>
</body>
</html>